[FFmpeg-user] x264 with 4:2:2 colorspace

Dave Rice dave at avpreserve.com
Wed Jun 1 17:08:18 CEST 2011


On Jun 1, 2011, at 11:04 AM, betonpfeiler wrote:

> Am 01.06.2011 16:37, schrieb James Darnley:
>> On 01/06/2011, betonpfeiler<betonpfeiler at googlemail.com>  wrote:
>>>>  I'm trying to encode a file to an AVC-intra like codec. For testing I'm
>>>>  using the following command:
>>>> 
>>>>  ffmpeg -i test.avi' -vcodec libx264 -pix_fmt yuv422p -vpre fast -b 100M
>>>>  -intra 'avcintra.mp4'
>>>> 
>>>>  The problem is, I can't get ffmpeg to keep the 4:2:2 pix format, it
>>>>  always falls back to 4:2:0 on the High-Level. How can I set ffmpeg to
>>>>  the high4:2:2-Level?
>> You can't because x264 only supports 420
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> 
> bollocks. Does anyone know an opensource, or at least affordable AVC-Intra (h.264, 100Mbit/s, Intraframe only, 4:2:2 colorsampling) encoder?

This wikipedia table shows that h264 encoders that do support 4:2:2 (not many), http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Software_encoder_feature_comparison. I don't know if any are open source.
Dave Rice
avpreserve.com


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